** FILE ** This Oct. 10, 2012 file photo shows Madonna performing on the "MDNA" tour at Staples Center in Los Angeles. Some Colorado fans are upset after music superstar Madonna used guns during a performance. Madonna started her show Thursday, Oct. 18, at the Pepsi Center in Denver with a gun scene, which she has used in previous performances. (Photo by John Shearer/Invision/AP, file)
** FILE ** This Oct. 10, 2012 file photo shows Madonna performing on the "MDNA" tour at Staples Center in Los Angeles. Some Colorado fans are upset after music superstar Madonna used guns during a performance. Madonna started her show Thursday, Oct. 18, at the Pepsi Center in Denver with a gun scene, which she has used in previous performances. (Photo by John Shearer/Invision/AP, file)
